The character of Ahkmenrah was initially intended to appear in the movie, but was removed after legal issues arose with Rami Malek's estate.
Rumored to be a pilot to a animated TV series spin-off to the Night of the Museum film series.
Zachary Levi also voices Laaa, Larry Dailey's caveman look alike, in this film.
Thomas Lennon voices Teddy Roosevelt in this movie. He (along with Ben Garant) wrote the first two Night at the Museum movies.
The first in the Night at the Museum film series to be considered non-canon.